`TMarkDownHTMLRenderer`
pt		Append
pt		AppendNL
		Create
		destroy
		RenderDocument
		RenderChildren
		RenderHTML

`TMarkDownRenderer`
pt		CreateRendererInstance
pt		CreateRendererForBlock
pt		CreateTextRendererInstance
pt		GetTextRenderer
		destroy
		RenderText
		RenderTextNodes
		RenderBlock
		RenderCodeBlock
		RenderChildren
		RenderDocument